Holly Elisabeth Ridings, Deputy Project Manager for Gateway, NASA, USA
Holly Elisabeth Ridings joined NASA in 1998, working as an International Space Station flight controller in the Thermal Operations and Resources Group. She eventually became lead for the International Space Station Attitude Determination and Control group. In 2003 she became lead for the Space Station Motion Control Systems Group. In 2005 she was made a flight director. She was lead director for Expedition 16, STS-127 and SpaceX Dragon. As expedition 16 lead, Ridings was responsible for the crew of the International Space Station for STS-120, STS-122, STS-123 as well as the first Automated Transfer Vehicle mission. During STS-127, Ridings overlooked major construction to the International Space Station, including the addition of the Japanese Exposed Facility and the External Platform. Ridings was promoted to Deputy Chief Flight Director. She was responsible for the safety of the International Space Station crew during the SpaceX Dragon Demo. In September 2018 Ridings was announced as the chief flight director at NASA. She is responsible for 32 flight directors who are overseeing human spaceflight. She oversaw missions to the International Space Station, the Orion spacecraft as well as integrating trips of commercial crew spacecraft. In 2022, NASA announced she would help lead the agency’s Gateway Program, an international partnership to establish humanity’s first space station around the Moon. In her new role, Ridings will serve as the deputy program manager, where she will lead teams to build and launch NASA’s foundational infrastructure in deep space.
European Earth Observation Satellite Systems for Research and Environmental Monitoring
Dr. Pierluigi Silverstrin, Senior Advisor to the Director of Earth Observation, ESA
Pier Luigi Silvestrin is Senior Advisor to the Director of Earth Observation (EO) at the European Space Agency (ESA) since May 2022. Previously, he led its EO Future Systems Department (from 2017), the EO Future Missions Division (from 2006) and the EO Mission and System Studies Section (from 2000). He contributed to defining EO missions, instruments and architectures. for over 30 years, including Earth Explorers ESA missions, the Copernicus Sentinel missions, and several meteorological missions for Eumetsat, with original contributions successfully deployed in orbit, for instance in the areas of atmospheric sounding and gravity field mapping. In 1987 he joined the European Space Research and Technology Centre (ESTEC), Noordwjik (NL), to work on control systems of ESA scientific satellites, becoming responsible for studies of space systems and supporting technologies for EO missions from 1990.